VWAP Stdev Bands v2 — Indikator oleh SandroTurriate

vwap

This is an update to my original VWAP Stdev Bands indicator found here:

* Fixed the calculation of the opening bar
* Added two additional deviation bands
* Added horizontal line of previous VWAP close

This update adds support for two more sets of bands, allowing you to show 1st, 2nd, and 3rd deviations. These extra bands are disabled by default as to not crowd the chart, but are shown in the screenshot and can be enabled under the indicator settings. The numbers 3.09 and 1.28 were recommended by coondawg71 in a comment on the original version. The previous version started calculating VWAP on a change of day, instead of a change of session. It now correctly calculates the VWAP when a new session begins. The last addition allows you to plot the previous day's VWAP close. The VWAP is where price has found balance, which makes these levels significant among the noise.

Thanks to coondawg71 for all suggestions.

Skrip open-source

Dalam semangat TradingView, penulis dari skrip ini telah mempublikasikannya ke sumber-terbuka, maka trader dapat mengerti dan memverifikasinya. Semangat untuk penulis! Anda dapat menggunakannya secara gratis, namun penggunaan kembali kode ini dalam publikasi diatur oleh Tata Tertib. Anda dapat memfavoritkannya untuk digunakan pada chart

Pernyataan Penyangkalan

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Inggin menggunakan skrip ini pada chart?

study("VWAP Stdev Bands v2", overlay=true)
devUp1 = input(2, title="Stdev above (1)")
devDn1 = input(2, title="Stdev below (1)")

devUp2 = input(1.28, title="Stdev above (2)")
devDn2 = input(1.28, title="Stdev below (2)")

devUp3 = input(3.09, title="Stdev above (3)")
devDn3 = input(3.09, title="Stdev below (3)")

showDv2 = input(false, type=bool, title="Show second group of bands?")
showDv3 = input(false, type=bool, title="Show third group of bands?")

showPrevVWAP = input(false, type=bool, title="Show previous VWAP close")

start = security(tickerid, "D", time)

newSession = iff(change(start), 1, 0)

vwapsum = iff(newSession, hl2*volume, vwapsum[1]+hl2*volume)
volumesum = iff(newSession, volume, volumesum[1]+volume)
v2sum = iff(newSession, volume*hl2*hl2, v2sum[1]+volume*hl2*hl2)
myvwap = vwapsum/volumesum
dev = sqrt(max(v2sum/volumesum - myvwap*myvwap, 0))

plot(myvwap, title="VWAP", color=green)
plot(myvwap + devUp1 * dev, title="VWAP Upper", color=red)
plot(myvwap - devDn1 * dev, title="VWAP Lower", color=red)

plot(showDv2 ? myvwap + devUp2 * dev : na, title="VWAP Upper (2)")
plot(showDv2 ? myvwap - devDn2 * dev : na, title="VWAP Lower (2)")

plot(showDv3 ? myvwap + devUp3 * dev : na, title="VWAP Upper (3)", color=teal)
plot(showDv3 ? myvwap - devDn3 * dev : na, title="VWAP Lower (3)", color=teal)

prevwap = iff(newSession, myvwap[1], prevwap[1])
plot(showPrevVWAP ? prevwap : na, style=circles, color=close > prevwap ? green : red)