TER· Teradyne
Open interest · contracts by strike
Spot
336.9
Max Pain
367.5
Call OI
1,040
Put OI
4,423
P/C ratio
4.25
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 367.5
Spot 336.9
385
92
382.5
69
380
102
134
377.5
99
375
41
372.5
370
258
147
Call OI
367.5
41
Max pain
365
31
362.5
360
680
57
357.5
355
352.5
350
187
62
347.5
345
342.5
340
399
63
337.5
335
32
332.5
330
706
Put OI
327.5
325
40
322.5
320
392
54
317.5
315
312.5
310
297
307.5
305
302.5
300
476
297.5
295
290
610
42
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
TER 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 → 14 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 → 14 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.