Daily digest / NIFTY 50 / 2026-10-19 · this week
NIFTY 50 · Monday 19 Oct 2026 · close
22,889 -203.3 (-0.88%)
Expiry day

Selling from the open, closes near the lows

NIFTY 50 slid 306 pts from 23,153 at 09:15 to 22,847 by 13:30 IST. Put writers added the most fresh OI at 22,850 (+102.7 L), right where the low held. Call writers built positions at 22,900–23,000, led by 22,900 (+209.5 L). Max pain moved from 23,050 to 22,900, following price down. PCR fell from 1.32 to 0.81.

Spot Max pain 22,850 support PCR 15-min · IST
Open23,153
High · 09:1923,173
Low · 14:2622,839
Avg PCR0.92
Max pain22,900

Key levels into expiry

22,950 Fresh calls +137.5 L cap
22,900 Call wall · 236.7 L OI · Fresh calls +209.5 L · Max pain resistance
22,889 Close ●
22,850 Fresh puts +102.7 L · held the low · Put wall · 158.3 L OI support
22,750 Fresh puts +28.1 L · held the low support

Where writers added today

22,900
+209.5 L
22,950
+137.5 L
23,000
+98.5 L
22,850
+102.7 L
22,750
+28.1 L
22,900
+25.1 L
■ calls   ■ puts · OI change from the first snapshot to the close, strikes near spot

Move vs what options priced

Weekly ATM straddle at open234
Session range334
One session moved 1.4× the weekly straddle's full priced move.

Last 6 sessions

10-09 22,562 —
PCR 1.20
MP 22,500 10-13 22,722 +160
PCR 1.24
MP 22,700 10-14 22,613 -109
PCR 1.05
MP 22,600 10-15 22,951 +338
PCR 1.60
MP 22,900 10-16 23,092 +141
PCR 1.42
MP 23,050 10-19 22,889 -203
PCR 0.92
MP 22,900

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 NIFTY 50 sessions · Indices hub · Live terminal →