Top analysts on stock perps · Analyst
Kostas Biliouris (Oppenheimer): analyst track record on stock perps
Kostas Biliouris of Oppenheimer on companies with stock perpetual futures: star rating, success rate, price-target accuracy, current calls and the measured perp reaction after each rating.
Stars0.7★
Success39%
Excess return-1.8%
rank#10,897
Ratings328
ratings on stock perps39
Track record
TipRanks data| 12 months | 3 years | |
|---|---|---|
| Ratings | 73 | 359 |
| Stock | 21 | 33 |
| Buy / hold / sell | 71 / 2 / 0 | 305 / 54 / 0 |
| Upgrades / downgrades / initiations | 1 / 2 / 8 | 4 / 6 / 14 |
| Price targets hit / missed | 1 / 70 (1%) | 41 / 297 (12%) |
| Avg. return after a rating (TipRanks) | -60.9% | -49.3% |
| Best / worst call | +15.3% / -88.0% | +170.0% / -96.6% |
After buy calls: median 21-day move -1.1% · vs S&P 500 -4.0% (n = 32)
Current calls on stock perps
| Stock | Call | Target | vs last close | Date |
|---|---|---|---|---|
| $ALNY Alnylam Pharmaceuticals, Inc. | Buy · Reiterated | $320 | +105.2% | Nov 5, 2026 |
Recent ratings
- Nov 5, 2026 $ALNY: Reiterated · Buy · $320 · article
- Nov 5, 2026 $ALNY: Reiterated · Buy · $320
- Jul 31, 2026 $ALNY: Maintained · Buy · $350 · article
- Jul 22, 2026 $ALNY: Maintained · Buy · $500 · article
- Jun 25, 2026 $ALNY: Reiterated · Buy · $500 · article
- May 1, 2026 $ALNY: Reiterated · Buy · $500 · article
- Mar 25, 2026 $ALNY: Reiterated · Buy · $500 · article
- Jan 7, 2026 $ALNY: Maintained · Buy · $500 · article
- Sep 25, 2025 $ALNY: Reiterated · Hold · article
- Sep 5, 2025 $ALNY: Maintained · Buy · $470 · article
- Jul 31, 2025 $ALNY: Reiterated · Buy · $450 · article
- Jun 24, 2025 $ALNY: Maintained · Buy · $360 · article
- Feb 13, 2026 $ALNY: Maintained · Buy · $500 · article
- May 6, 2025 $ALNY: Maintained · Buy · $300 · article
- Apr 30, 2025 $ALNY: Maintained · Buy · $300 · article
- Mar 21, 2025 $ALNY: Maintained · Buy · $300 · article
- Feb 25, 2025 $ALNY: Maintained · Buy · $300 · article
- Nov 25, 2024 $ALNY: Reiterated · Buy · $300 · article
- Oct 31, 2024 $ALNY: Maintained · Buy · $300 · article
- Oct 10, 2024 $ALNY: Reiterated · Buy · $300 · article
Kostas Biliouris0.7★ · 39% success · -1.8% excess return · TipRanks data · Source headlines via TheFly/StreetInsider. Reaction = venue-median perp move after our detection — an observation, not investment advice.