CI· Cigna
Open interest · contracts by strike
Spot
280.8
Max Pain
275
Call OI
8,045
Put OI
4,572
P/C ratio
0.57
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 275
Spot 280.8
320
339
315
310
604
305
302.5
300
852
297.5
295
292.5
290
232
1,608
287.5
285
282.5
280
505
2,961
Call OI
277.5
460
275
164
346
Max pain
272.5
270
1,405
960
Put OI
267.5
265
262.5
260
499
257.5
255
252.5
250
627
245
240
441
Open interest by strike with the max-pain level marked, per expiry — heuristics over CBOE delayed chains, same strike band as the GEX profile.
History
CI open interest, night by night.
Total call and put contracts held on each recorded session — the level the strike profile above is a snapshot of.
10 Jun → 11 Sep
OI totals over time
Contracts outstanding, summed over the whole captured chain — every listed expiry and strike, wider than the strike band and single expiry shown in the profile above.
call OI, contractsput OI, contracts
One reading per session, captured nightly after the close, 10 Jun → 11 Sep, over CBOE delayed (~15-min) chains, computed across the full listed chain. Gaps are weekends, holidays and sessions a capture missed; any reading can be absent on a session that was captured, and the series is broken rather than drawn through it.