COCHINSHIP COCHIN SHIPYARD LIMITED
COCHIN SHIPYARD LIMITED — on this desk since 1 Apr 2026.
Option chain
| Calls | Strike | Puts | ||||||
|---|---|---|---|---|---|---|---|---|
| What happened | Price | Change in OI | Open interest | Open interest | Change in OI | Price | What happened | |
| — | — | — | — | 1,040 | 3,200 | 0 | 0.17 | — |
| — | 196.20 | +1,200 | 1,200 | 1,060 | — | — | — | — |
| — | — | — | — | 1,080 | 5,600 | −800 | 0.75 | long unwinding |
| — | 138.46 | +1,200 | 1,200 | 1,120 | 35,600 | +4,000 | 2.52 | long build-up |
| — | — | — | — | 1,140 | 6,400 | −1,600 | 4.26 | short covering |
| — | 102.86 | 0 | 800 | 1,160 | 62,800 | −8,800 | 3.55 | long unwinding |
| — | — | — | — | 1,180 | 36,400 | +2,400 | 5.90 | long build-up |
| short build-up | 63.85 | +1,600 | 48,800 | 1,200 | 1,66,400 | +2,800 | 9.00 | long build-up |
| — | 44.45 | 0 | 46,400 | 1,220 | 49,600 | −2,400 | 13.95 | short covering |
| short build-up | 33.90 | +800 | 94,400 | 1,240 | 1,32,000 | −2,400 | 20.80 | short covering |
| short build-up | 23.65 | +12,800 | 2,54,400 | 1,260at the money | wall2,42,400 | +2,400 | 29.90 | long build-up |
| short build-up | 15.15 | +16,000 | 1,21,200 | 1,280 | 85,600 | +4,000 | 43.05 | long build-up |
| short build-up | 9.80 | +6,400 | 4,72,000 | 1,300 | 1,40,800 | −11,600 | 58.80 | short covering |
| short build-up | 6.30 | +10,400 | 1,02,000 | 1,320 | 18,800 | 0 | 75.00 | — |
| long unwinding | 4.05 | −800 | 3,72,800 | 1,340 | 75,200 | −2,400 | 91.50 | long unwinding |
| short build-up | 2.70 | +400 | 1,36,800 | 1,360 | 25,200 | −800 | 111.08 | long unwinding |
| short build-up | 2.00 | +2,800 | 97,600 | 1,380 | 44,400 | −1,200 | 128.68 | long unwinding |
| — | 1.70 | 0 | 4,85,600 | 1,400 | 1,20,400 | 0 | 146.95 | — |
| — | 2.23 | 0 | 27,600 | 1,420 | 2,800 | 0 | 165.73 | — |
| short build-up | 1.10 | +3,600 | 94,000 | 1,440 | 14,000 | −400 | 184.89 | long unwinding |
| — | 0.85 | 0 | 57,600 | 1,460 | 12,000 | 0 | 204.32 | — |
| long unwinding | 0.60 | −7,600 | 8,70,000wall | 1,60017 strikes away | 52,400 | 0 | 343.18 | — |
The options were priced for a move of about 4.3% by 27 Oct.
Open interest
Short build: price fell and open interest rose.
For this stock, 21 of 48 times the close 5 sessions later was higher.
Across every F&O stock, 58,860 of 1,16,717 times the close 5 sessions later was higher.
Basis, rollover and the ban
The future traded 0.14% below the share.
Not in the F&O ban this session; open interest stood at 91% of its market-wide limit.
Implied volatility
The options were priced for a move of about 4.3% by 27 Oct; over the sessions the desk holds it ranged 1.4–13.6%.
Option prices were dearer than 33 of the past 252 sessions.
Puts were priced dearer than calls the same distance out.
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Implied and realised around results
No results meeting with an option chain on its eve yet.
The futures, session by session
| session | futures | implied move | basis | ban |
|---|---|---|---|---|
| Thu 15 Oct | short build | 4.3% | -0.14% | |
| Wed 14 Oct | long unwind | 4.4% | 0.49% | |
| Tue 13 Oct | short cover | 4.5% | 0.51% | |
| Mon 12 Oct | short build | 5.0% | -0.06% | |
| Fri 9 Oct | short cover | 5.3% | 0.21% | |
| Thu 8 Oct | short build | 5.7% | 0.72% | |
| Wed 7 Oct | long unwind | 5.5% | 0.07% | |
| Tue 6 Oct | short cover | 5.6% | 0.36% | |
| Mon 5 Oct | short cover | 5.8% | -0.10% | |
| Thu 1 Oct | short build | 6.4% | -0.43% | |
| Wed 30 Sep | long build | 6.3% | -0.46% | |
| Tue 29 Sep | short build | 7.9% | -3.98% | |
| Mon 28 Sep | short build | 7.0% | -0.32% | |
| Fri 25 Sep | short cover | 1.5% | 0.06% | |
| Thu 24 Sep | short cover | 2.3% | -0.01% | |
| Wed 23 Sep | short build | 2.7% | -0.04% | |
| Tue 22 Sep | long build | 2.9% | -0.47% | |
| Mon 21 Sep | long build | 3.2% | -0.48% | |
| Fri 18 Sep | short cover | 4.3% | -2.23% | |
| Thu 17 Sep | short cover | 4.4% | -0.37% |
After a name entered or left the ban
- Every F&O stock, on entering the ban: 755 of 1,496 times the close 5 sessions later was higher.
- Every F&O stock, on leaving it: 747 of 1,496 times the close 5 sessions later was higher.
Before comparing across time
Open interest is in shares. Traded volume is in contracts before July 2024 and in shares after, so volumes are not compared across that change.