HowThe settle strike with the smallest total payout to option holders for the 2026-11-23 expiration, over 16 strikes carrying 134 open contracts. Open interest is published once a day, before the open, so it describes the previous session.
SourcePut open interest divided by call open interest
As ofCboe delayed snapshot Nov 10, 8:04 PM ET
How21 put contracts / 113 call contracts = 0.19 for the 2026-11-23 expiration. Open interest is published once a day, before the open, so it describes the previous session.
SourceNet gamma exposure from Cboe greeks and open interest
As ofCboe delayed snapshot Nov 10, 8:04 PM ET
HowOver every strike with open interest for the 2026-11-23 expiration: (call gamma × call OI minus put gamma × put OI) × 100 × spot² × 1%, summed. Calls count as positive and puts as negative, a convention about who holds the other side, not a measurement.
■ put-side pain■ call-side painTotal payout option writers would owe at each settle price (both sides, all open interest, ×100 shares) — low settles hurt put writers, high settles hurt call writers. The minimum — 41 — is the max pain price.
Open interest by strike · Mon, Nov 23
■ calls (up)■ puts (down)DRAM open contracts per strike for Mon, Nov 23.
Open-interest change: building vs unwinding
Needs two observed snapshot days for this expiration; the comparison appears automatically once the next weekday snapshot lands. We diff real observations only; nothing is estimated.
Volume by strike · Mon, Nov 23
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Mon, Nov 23
— call IV— put IVATM ≈ 70.1% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Mon, Nov 23
Net dealer gamma per strike, in dollars per 1% move, assuming the standard convention (dealers long calls, short puts) — an assumption, not an observation. Above the amber flip level hedging tends to dampen moves; below it, to amplify them.
Greeks by strike · Mon, Nov 23
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.97
-0.01
28
0.0072
0.00
-0.02
-0.03
0.87
-0.05
34
0.0305
0.02
-0.05
-0.13
0.75
-0.08
37
0.0504
0.02
-0.08
-0.25
0.70
-0.08
38
0.0570
0.03
-0.08
-0.30
0.57
-0.09
40
0.0670
0.03
-0.09
-0.43
0.50
-0.09
41
0.0695
0.03
-0.09
-0.50
0.43
-0.09
42
0.0697
0.03
-0.09
-0.57
0.36
-0.08
43
0.0676
0.03
-0.08
-0.64
0.30
-0.07
44
0.0634
0.03
-0.07
-0.70
0.24
-0.07
45
0.0576
0.02
-0.07
-0.76
0.19
-0.06
46
0.0508
0.02
-0.06
-0.81
0.15
-0.05
47
0.0435
0.02
-0.05
-0.85
0.12
-0.04
48
0.0364
0.01
-0.04
-0.89
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 13 strikes around the money — all 16 are in the CSV. Δ per $1 of underlying · Θ per day · vega per IV point.
Stacked — layer the expirations
Call open interest per strike, stacked across the checked expirations — each color is one expiry. Strikes are pruned to the liquid center of each chain.
Max pain is arithmetic, not prophecy: the settle price that would minimize what option writers pay out at expiration, computed from open interest alone. Prices sometimes gravitate toward heavy strikes into expiry — dealer hedging is a real flow — but the evidence that max pain predicts settlement better than chance is mixed, and we are not going to pretend otherwise. Use it as a map of where positioning is stacked, next to the fundamentals and the earnings calendar, not as a target.
Max pain, walls and gamma print only when an expiration holds at least 100 open contracts across 5 strikes, and max pain also needs to stay within 5% of spot when its single heaviest strike is removed. Below that the expiration reads as thin rather than printing a level one trade could move.
Data: Cboe delayed public feed (~15 minutes), refreshed here about every 15 minutes. Open interest itself updates once daily, before the open. Educational information, not investment advice.