Daily digest / Finnifty / 2026-10-21 · this week
Finnifty · Wednesday 21 Oct 2026 · close
24,705 -337.5 (-1.35%)
3rd straight down dayExpiry Tue 27 Oct · 4 sessions

Early sell-off, closes near the lows

A steady start gave way at 09:45 IST and Finnifty slid 477 pts to 24,655. Put writers added the most fresh OI at 24,600 (+0.3 L), right where the low held. Call writers built positions at 24,900–25,200, led by 25,000 (+0.4 L). Max pain held at 25,000 all session.

Spot Max pain 24,700 support PCR 15-min · IST
Open25,050
High · 09:4025,167
Low · 13:4824,637
Avg PCR0.83
Max pain25,000

Key levels into expiry

25,200 Fresh calls +0.3 L cap
25,000 Call wall · 0.7 L OI · Fresh calls +0.4 L · Max pain resistance
24,705 Close ●
24,700 Fresh puts +0.2 L · held the low support
24,600 Fresh puts +0.3 L · held the low support
23,500 Put wall · 0.6 L OI floor

Where writers added today

25,000
+0.4 L
25,200
+0.3 L
24,900
+0.2 L
24,600
+0.3 L
24,900
+0.2 L
24,700
+0.2 L
■ calls   ■ puts · OI change from the first snapshot to the close, strikes near spot

Move vs what options priced

Monthly ATM straddle at open441
Session range530
One session moved 1.2× the monthly straddle's full priced move.

Last 6 sessions

10-13 25,402 —
PCR 0.59
MP 25,000 10-14 25,032 -370
PCR 0.72
MP 25,000 10-15 25,407 +375
PCR 0.93
MP 25,100 10-16 25,386 -21
PCR 0.90
MP 25,100 10-19 25,043 -343
PCR 0.76
MP 25,000 10-21 24,705 -337
PCR 0.83
MP 25,000

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.

All Finnifty sessions · Indices hub · Live terminal →