CASY260821C00850000
Call
Expiry21 Aug 2026
Strike850.00
Volume1
OI75
IV0.36
Contract Tape
CASY most active options contracts
Full contract-level activity ranked by volume, with side, expiry, strike, open interest, and implied volatility context.
By volume
324
records
Detail Tape
CASY most active options contracts
Contract
CASY260821C01020000
Side
Call
Expiry21 Aug 2026
Strike1020.00
Volume1
OI70
IV0.59
Contract
CASY261120P00810000
Side
Put
Expiry20 Nov 2026
Strike810.00
Volume1
OI69
IV0.38
Contract
CASY260821C00720000
Side
Call
Expiry21 Aug 2026
Strike720.00
Volume1
OI64
IV0.57
Contract
CASY260821C01000000
Side
Call
Expiry21 Aug 2026
Strike1000.00
Volume1
OI61
IV0.42
Contract
CASY261120C01080000
Side
Call
Expiry20 Nov 2026
Strike1080.00
Volume1
OI54
IV0.41
Contract
CASY261120C01160000
Side
Call
Expiry20 Nov 2026
Strike1160.00
Volume1
OI51
IV0.42
Contract
CASY260821C00830000
Side
Call
Expiry21 Aug 2026
Strike830.00
Volume1
OI47
IV0.39
Contract
CASY260821P00720000
Side
Put
Expiry21 Aug 2026
Strike720.00
Volume1
OI45
IV0.52
Contract
CASY260821C00890000
Side
Call
Expiry21 Aug 2026
Strike890.00
Volume1
OI41
IV0.36
Contract
CASY260821C00960000
Side
Call
Expiry21 Aug 2026
Strike960.00
Volume1
OI40
IV0.44
Contract
CASY260821C00700000
Side
Call
Expiry21 Aug 2026
Strike700.00
Volume1
OI39
IV0.59
Contract
CASY261120C00730000
Side
Call
Expiry20 Nov 2026
Strike730.00
Volume1
OI34
IV0.45
Contract
CASY260821C00740000
Side
Call
Expiry21 Aug 2026
Strike740.00
Volume1
OI33
IV0.50
Contract
CASY261120C00920000
Side
Call
Expiry20 Nov 2026
Strike920.00
Volume1
OI32
IV0.41
Contract
CASY260821P00680000
Side
Put
Expiry21 Aug 2026
Strike680.00
Volume1
OI31
IV0.61
Contract
CASY261120C01040000
Side
Call
Expiry20 Nov 2026
Strike1040.00
Volume1
OI30
IV0.41
Contract
CASY261120P00780000
Side
Put
Expiry20 Nov 2026
Strike780.00
Volume1
OI29
IV0.37
Contract
CASY261120C00860000
Side
Call
Expiry20 Nov 2026
Strike860.00
Volume1
OI29
IV0.41
Contract
CASY270219P00700000
Side
Put
Expiry19 Feb 2027
Strike700.00
Volume1
OI28
IV0.38
Contract
CASY260821P00790000
Side
Put
Expiry21 Aug 2026
Strike790.00
Volume1
OI26
IV0.37
Contract
CASY260821P00600000
Side
Put
Expiry21 Aug 2026
Strike600.00
Volume1
OI25
IV0.86
Contract
CASY260821P00660000
Side
Put
Expiry21 Aug 2026
Strike660.00
Volume1
OI25
IV0.67
Contract
CASY261120P00730000
Side
Put
Expiry20 Nov 2026
Strike730.00
Volume1
OI24
IV0.40
Contract
CASY260821C00600000
Side
Call
Expiry21 Aug 2026
Strike600.00
Volume1
OI22
IV0.95
Contract
CASY260821C00990000
Side
Call
Expiry21 Aug 2026
Strike990.00
Volume1
OI22
IV0.44
Contract
CASY260821P00500000
Side
Put
Expiry21 Aug 2026
Strike500.00
Volume1
OI19
IV0.87
Contract
CASY261120C00770000
Side
Call
Expiry20 Nov 2026
Strike770.00
Volume1
OI18
IV0.44
Contract
CASY261120P00750000
Side
Put
Expiry20 Nov 2026
Strike750.00
Volume1
OI17
IV0.39
Contract
CASY260821C00560000
Side
Call
Expiry21 Aug 2026
Strike560.00
Volume1
OI16
IV1.13
Contract
CASY260821P00560000
Side
Put
Expiry21 Aug 2026
Strike560.00
Volume1
OI15
IV1.00
Contract
CASY260918P00860000
Side
Put
Expiry18 Sep 2026
Strike860.00
Volume1
OI15
IV0.42
Contract
CASY261120C00830000
Side
Call
Expiry20 Nov 2026
Strike830.00
Volume1
OI15
IV0.41
Contract
CASY260821P00550000
Side
Put
Expiry21 Aug 2026
Strike550.00
Volume1
OI14
IV0.90
Contract
CASY261120P00500000
Side
Put
Expiry20 Nov 2026
Strike500.00
Volume1
OI12
IV0.56
Contract
CASY261120P00700000
Side
Put
Expiry20 Nov 2026
Strike700.00
Volume1
OI12
IV0.39
Contract
CASY261120P00770000
Side
Put
Expiry20 Nov 2026
Strike770.00
Volume1
OI12
IV0.39
Contract
CASY261120P00520000
Side
Put
Expiry20 Nov 2026
Strike520.00
Volume1
OI11
IV0.60
Contract
CASY261120P00690000
Side
Put
Expiry20 Nov 2026
Strike690.00
Volume1
OI11
IV0.41
Contract
CASY260821P00610000
Side
Put
Expiry21 Aug 2026
Strike610.00
Volume1
OI10
IV0.83
Plain English Guide
Options context
What usually looks constructive
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Options can move quickly and can lose value fast. Treat this as research context, not a buy or sell instruction.