Tiziana Life Sciences Ltd (TLSA)
NASDAQ: TLSA
· Real-Time Price · USD
1.90
-0.07 (-3.55%)
At close: Aug 18, 2025, 3:59 PM
1.95
2.85%
After-hours: Aug 18, 2025, 06:18 PM EDT
TLSA Option Overview
Overview for all option chains of TLSA. As of August 15, 2025, TLSA options have an IV of 477.87% and an IV rank of 116.58%. The volume is 25 contracts, which is 13.09% of average daily volume of 191 contracts. The volume put-call ratio is 0.19, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
477.87%IV Rank
116.58%Historical Volatility
97.9%IV Low
165.47% on Mar 07, 2025IV High
433.43% on Jan 21, 2025Open Interest (OI)
Today's Open Interest
6,853Put-Call Ratio
0.02Put Open Interest
127Call Open Interest
6,726Open Interest Avg (30-day)
5,527Today vs Open Interest Avg (30-day)
123.99%Option Volume
Today's Volume
25Put-Call Ratio
0.19Put Volume
4Call Volume
21Volume Avg (30-day)
191Today vs Volume Avg (30-day)
13.09%Option Chain Statistics
This table provides a comprehensive overview of all TLSA options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Aug 15, 2025 | 10 | 0 | 0 | 366 | 35 | 0.1 | 477.87% | 2.5 |
| Sep 19, 2025 | 6 | 1 | 0.17 | 4,410 | 57 | 0.01 | 272.88% | 2.5 |
| Oct 17, 2025 | 0 | 0 | 0 | 0 | 0 | 0 | 500% | 2.5 |
| Dec 19, 2025 | 4 | 2 | 0.5 | 1,555 | 12 | 0.01 | 191.22% | 2.5 |
| Jan 16, 2026 | 0 | 0 | 0 | 23 | 0 | 0 | 18.74% | 7 |
| Mar 20, 2026 | 1 | 1 | 1 | 372 | 23 | 0.06 | 164.16% | 2.5 |