Daily digest / Bank Nifty / 2026-10-19 · this week
Bank Nifty · Monday 19 Oct 2026 · close
55,529 -369.2 (-0.66%)
Expiry Tue 27 Oct · 6 sessions

Selling from the open, closes near the lows

Bank Nifty slid 390 pts from 55,910 at 09:15 to 55,520 by 13:30 IST. Put writers added the most fresh OI at 54,500 (+1.6 L). Call writers built positions at 55,500–56,000, led by 55,500 (+3.0 L). Max pain moved from 55,800 to 55,600, following price down. PCR fell from 1.06 to 0.96.

Spot Max pain 55,500 support PCR 15-min · IST
Open55,910
High · 09:1955,927
Low · 13:4755,489
Avg PCR0.97
Max pain55,600

Key levels into expiry

56,000 Call wall · 14.9 L OI · Fresh calls +2.7 L resistance
55,600 Fresh calls +1.1 L · Max pain cap
55,529 Close ●
55,500 Fresh puts +1.1 L · held the low support
55,000 Put wall · 12.7 L OI floor
54,500 Fresh puts +1.6 L support

Where writers added today

55,500
+3.0 L
56,000
+2.7 L
55,600
+1.1 L
54,500
+1.6 L
55,500
+1.1 L
53,000
+0.6 L
■ calls   ■ puts · OI change from the first snapshot to the close, strikes near spot

Move vs what options priced

Monthly ATM straddle at open1,031
Session range438
The session used 42% of the monthly straddle's priced move.

Last 6 sessions

10-09 55,496 —
PCR 0.95
MP 55,700 10-13 55,900 +404
PCR 0.96
MP 55,600 10-14 55,457 -443
PCR 1.01
MP 55,500 10-15 55,879 +422
PCR 1.08
MP 55,800 10-16 55,898 +19
PCR 1.05
MP 55,800 10-19 55,529 -369
PCR 0.97
MP 55,600

Max pain: strike where option buyers lose most at expiry. Fresh OI: positions opened this session. PCR: put OI ÷ call OI.

Descriptive summaries of recorded option-chain data. Not trading signals or advice. Disclaimer →

Related reading

PCR explained →

How put-call ratio is calculated and when it misleads.

Max pain theory →

Why max pain matters near expiry.

OI buildup →

Reading the four OI patterns.

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