diff --git a/README.md b/README.md
index 3a0f1f9..21f93d3 100644
--- a/README.md
+++ b/README.md
@@ -190,7 +190,7 @@ $ pip install pandas_ta[full]
 
 Latest Version
 --------------
-Best choice! Version: *0.3.47b*
+Best choice! Version: *0.3.48b*
 * Includes all fixes and updates between **pypi** and what is covered in this README.
 ```sh
 $ pip install -U git+https://github.com/twopirllc/pandas-ta
@@ -291,7 +291,7 @@ Contributions, feedback, and bug squashing are integral to the success of this l
 
 _Thank you for your contributions!_
 
-<a href="https://github.com/AbyssAlora"><img src="https://avatars.githubusercontent.com/u/32155747?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/abmyii"><img src="https://avatars.githubusercontent.com/u/52673001?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/alexonab"><img src="https://avatars.githubusercontent.com/u/16689258?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/allahyarzadeh"><img src="https://avatars.githubusercontent.com/u/11909557?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/anthotsang"><img src="https://avatars.githubusercontent.com/u/929793?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/bizso09"><img src="https://avatars.githubusercontent.com/u/1904536?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/CMobley7"><img src="https://avatars.githubusercontent.com/u/10121829?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/codesutras"><img src="https://avatars.githubusercontent.com/u/56551122?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/DannyMartens"><img src="https://avatars.githubusercontent.com/u/37220423?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/DrPaprikaa"><img src="https://avatars.githubusercontent.com/u/64958936?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/daikts"><img src="https://avatars.githubusercontent.com/u/64799229?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/danlim-wz"><img src="https://avatars.githubusercontent.com/u/52344837?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/delicateear"><img src="https://avatars.githubusercontent.com/u/167213?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/dorren"><img src="https://avatars.githubusercontent.com/u/27552?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/edwardwang1"><img src="https://avatars.githubusercontent.com/u/15675816?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"></a> <a href="https://github.com/FGU1"><img src="https://avatars.githubusercontent.com/u/56175843?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/ffhirata"><img src="https://avatars.githubusercontent.com/u/44292530?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/floatinghotpot"><img src="https://avatars.githubusercontent.com/u/2339512?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/FriendlyUser"><img src="https://avatars.githubusercontent.com/u/13860264?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/GSlinger"><img src="https://avatars.githubusercontent.com/u/24567123?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/hhashim1"><img src="https://avatars.githubusercontent.com/u/62855649?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/jhleong"><img src="https://avatars.githubusercontent.com/u/1499913?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/JoeSchr"><img src="https://avatars.githubusercontent.com/u/8218910?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/kush99993s"><img src="https://avatars.githubusercontent.com/u/8145062?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/Larry-u"><img src="https://avatars.githubusercontent.com/u/18108119?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/lluissalord"><img src="https://avatars.githubusercontent.com/u/7021552?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/locupleto"><img src="https://avatars.githubusercontent.com/u/3994906?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/lucasmlofaro"><img src="https://avatars.githubusercontent.com/u/15791696?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/luisbarrancos"><img src="https://avatars.githubusercontent.com/u/387352?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/M6stafa"><img src="https://avatars.githubusercontent.com/u/7975309?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/maxdignan"><img src="https://avatars.githubusercontent.com/u/8184722?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/mchant"><img src="https://avatars.githubusercontent.com/u/8502845?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/mihakralj"><img src="https://avatars.githubusercontent.com/u/31756078?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/moritzgun"><img src="https://avatars.githubusercontent.com/u/68067719?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/NkosenhleDuma"><img src="https://avatars.githubusercontent.com/u/51145741?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/nicoloridulfo"><img src="https://avatars.githubusercontent.com/u/49532161?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/olafos"><img src="https://avatars.githubusercontent.com/u/2526551?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/pbrumblay"><img src="https://avatars.githubusercontent.com/u/2146159?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/pssolanki111"><img src="https://avatars.githubusercontent.com/u/40393715?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/RajeshDhalange"><img src="https://avatars.githubusercontent.com/u/32175897?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/ramgarg102"><img src="https://avatars.githubusercontent.com/u/47526387?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/rengel8"><img src="https://avatars.githubusercontent.com/u/34138513?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/rluong003"><img src="https://avatars.githubusercontent.com/u/42408939?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/ryanrussell"><img src="https://avatars.githubusercontent.com/u/523300?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/sgmheyhey"><img src="https://avatars.githubusercontent.com/u/30946314?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/SoftDevDanial"><img src="https://avatars.githubusercontent.com/u/64815604?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/schwaa"><img src="https://avatars.githubusercontent.com/u/2640598?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/tg12"><img src="https://avatars.githubusercontent.com/u/12201893?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/twrobel"><img src="https://avatars.githubusercontent.com/u/394724?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/UncleVasya"><img src="https://avatars.githubusercontent.com/u/1286157?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/WellMaybeItIs"><img src="https://avatars.githubusercontent.com/u/84646494?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/whubsch"><img src="https://avatars.githubusercontent.com/u/24275736?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/witokondoria"><img src="https://avatars.githubusercontent.com/u/5685669?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/wouldayajustlookatit"><img src="https://avatars.githubusercontent.com/u/44936661?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"></a> <a href="https://github.com/YuvalWein"><img src="https://avatars.githubusercontent.com/u/65113623?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/zlpatel"><img src="https://avatars.githubusercontent.com/u/3293739?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a>
+<a href="https://github.com/AbyssAlora"><img src="https://avatars.githubusercontent.com/u/32155747?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/abmyii"><img src="https://avatars.githubusercontent.com/u/52673001?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/alexonab"><img src="https://avatars.githubusercontent.com/u/16689258?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/allahyarzadeh"><img src="https://avatars.githubusercontent.com/u/11909557?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/anthotsang"><img src="https://avatars.githubusercontent.com/u/929793?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/baotang2118"><img src="https://avatars.githubusercontent.com/u/42202403?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/bizso09"><img src="https://avatars.githubusercontent.com/u/1904536?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/CMobley7"><img src="https://avatars.githubusercontent.com/u/10121829?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/codesutras"><img src="https://avatars.githubusercontent.com/u/56551122?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/DannyMartens"><img src="https://avatars.githubusercontent.com/u/37220423?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/DrPaprikaa"><img src="https://avatars.githubusercontent.com/u/64958936?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/daikts"><img src="https://avatars.githubusercontent.com/u/64799229?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/danlim-wz"><img src="https://avatars.githubusercontent.com/u/52344837?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/delicateear"><img src="https://avatars.githubusercontent.com/u/167213?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/dorren"><img src="https://avatars.githubusercontent.com/u/27552?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/edwardwang1"><img src="https://avatars.githubusercontent.com/u/15675816?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"></a> <a href="https://github.com/FGU1"><img src="https://avatars.githubusercontent.com/u/56175843?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/ffhirata"><img src="https://avatars.githubusercontent.com/u/44292530?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/floatinghotpot"><img src="https://avatars.githubusercontent.com/u/2339512?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/FriendlyUser"><img src="https://avatars.githubusercontent.com/u/13860264?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/GSlinger"><img src="https://avatars.githubusercontent.com/u/24567123?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/hhashim1"><img src="https://avatars.githubusercontent.com/u/62855649?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/jaggas"><img src="https://avatars.githubusercontent.com/u/10492880?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/jhleong"><img src="https://avatars.githubusercontent.com/u/1499913?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/JoeSchr"><img src="https://avatars.githubusercontent.com/u/8218910?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/KRaw1"><img src="https://avatars.githubusercontent.com/u/77465250?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/kush99993s"><img src="https://avatars.githubusercontent.com/u/8145062?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/Larry-u"><img src="https://avatars.githubusercontent.com/u/18108119?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/lluissalord"><img src="https://avatars.githubusercontent.com/u/7021552?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/locupleto"><img src="https://avatars.githubusercontent.com/u/3994906?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/lucasmlofaro"><img src="https://avatars.githubusercontent.com/u/15791696?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/luisbarrancos"><img src="https://avatars.githubusercontent.com/u/387352?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/M6stafa"><img src="https://avatars.githubusercontent.com/u/7975309?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/maxdignan"><img src="https://avatars.githubusercontent.com/u/8184722?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/mchant"><img src="https://avatars.githubusercontent.com/u/8502845?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/mihakralj"><img src="https://avatars.githubusercontent.com/u/31756078?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/moritzgun"><img src="https://avatars.githubusercontent.com/u/68067719?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/NkosenhleDuma"><img src="https://avatars.githubusercontent.com/u/51145741?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/nicoloridulfo"><img src="https://avatars.githubusercontent.com/u/49532161?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/olafos"><img src="https://avatars.githubusercontent.com/u/2526551?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/oliver-zehentleitner"><img src="https://avatars.githubusercontent.com/u/47597331?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/pbrumblay"><img src="https://avatars.githubusercontent.com/u/2146159?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/pssolanki111"><img src="https://avatars.githubusercontent.com/u/40393715?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/RajeshDhalange"><img src="https://avatars.githubusercontent.com/u/32175897?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/ramgarg102"><img src="https://avatars.githubusercontent.com/u/47526387?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/rengel8"><img src="https://avatars.githubusercontent.com/u/34138513?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/rluong003"><img src="https://avatars.githubusercontent.com/u/42408939?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/ryanrussell"><img src="https://avatars.githubusercontent.com/u/523300?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/sgmheyhey"><img src="https://avatars.githubusercontent.com/u/30946314?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/SoftDevDanial"><img src="https://avatars.githubusercontent.com/u/64815604?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/schwaa"><img src="https://avatars.githubusercontent.com/u/2640598?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/tg12"><img src="https://avatars.githubusercontent.com/u/12201893?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/twrobel"><img src="https://avatars.githubusercontent.com/u/394724?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/UncleVasya"><img src="https://avatars.githubusercontent.com/u/1286157?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/WellMaybeItIs"><img src="https://avatars.githubusercontent.com/u/84646494?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/whubsch"><img src="https://avatars.githubusercontent.com/u/24275736?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/witokondoria"><img src="https://avatars.githubusercontent.com/u/5685669?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/wouldayajustlookatit"><img src="https://avatars.githubusercontent.com/u/44936661?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"></a> <a href="https://github.com/YuvalWein"><img src="https://avatars.githubusercontent.com/u/65113623?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a> <a href="https://github.com/zlpatel"><img src="https://avatars.githubusercontent.com/u/3293739?v=4" class="avatar-user" width="35px;" style="border-radius: 5px;"/></a>
 
 <br/>
 
@@ -1212,6 +1212,7 @@ TODO
 | | &#9744; Trend Signals |
 | | &#9744; Cross Signals |
 | &#9744; | Performance Metrics |
+| &#9744; | Better argument validation |
 
 <br/>
 
diff --git a/setup.py b/setup.py
index 0af547d..4f00c07 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@ setup(
         "pandas_ta.volatility",
         "pandas_ta.volume"
     ],
-    version=".".join(("0", "3", "47b")),
+    version=".".join(("0", "3", "48b")),
     description=long_description,
     long_description=long_description,
     author="Kevin Johnson",