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Ultragenyx Pharmaceutical Inc. (RARE) Unusual Options Flow

Review Ultragenyx Pharmaceutical Inc. (RARE) flow trades, execution quality, and contract activity in one live session view.

Unusual Options Flow Trades
Session 07/23/2026
11 trades · $6.56M premium
Time (EST)ContractPremiumSizeExecutionTypeSigScore
11:32:19 07/23$RARE 32.5C, Exp: 09/18/26$200.75K365
Bid
BLOCK
0.55
10:58:52 07/23$RARE 32.5C, Exp: 09/18/26$219.45K399
Ask
SWEEP
0.78
10:37:36 07/23$RARE 15P, Exp: 10/16/26$22.82K169
Bid
SWEEP
0.55
10:37:16 07/23$RARE 15P, Exp: 10/16/26$67.50K500
Ask
SWEEP
0.74
10:23:37 07/23$RARE 32.5C, Exp: 09/18/26$269.50K550
Ask
BLOCK
0.64
10:23:37 07/23$RARE 35C, Exp: 10/16/26$590.00K1,000
Ask
BLOCK
0.77
10:00:18 07/23$RARE 25P, Exp: 10/16/26$1.17M1,750
Bid
BLOCK
0.64
10:00:14 07/23$RARE 25P, Exp: 10/16/26$1.16M1,750
Bid
BLOCK
0.64
10:00:13 07/23$RARE 30P, Exp: 09/18/26$2.66M3,500
Bid
BLOCK
0.37
10:00:13 07/23$RARE 15P, Exp: 09/18/26$180.00K3,000
Bid
BLOCK
0.53
09:57:00 07/23$RARE 45C, Exp: 09/18/26$24.00K100
Bid
BLOCK
0.44
Execution Stats
RARE
Total Trades11
Total Premium$6.56M
Ask/Above Ask36.4% (4)
Bid/Below Bid63.6% (7)
Mid0.0% (0)
Sweep/Block Mix3 / 8 (27.3% sweeps · 72.7% blocks)
Average Trade Size1,189
Top Expiration26/09/18 (6)
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