What is the market doing?
What the tape says about ZBIO
Zenas BioPharma, Inc. is +92% over the past year while the S&P 500 is +20%: 71 points ahead of the market.
+92%
1-year return · S&P 500 +20%
- vs 200-day average
- +26%
vs 200-day average · a clear uptrend
- RSI (14)
- 62
RSI (14) · neutral
- Below its 52-week high
- 23%
Below its 52-week high
Details›
- Last close2026-09-08
- $33.10
- 1 monthS&P 500 −0.30%
- +2.8%
- 1 yearS&P 500 +20%
- +92%
- vs 50-day average$28.54
- +16%
- 52-week high
- $43.17
- 52-week low
- $15.20
- Annualised volatility
- 106%
- Insider buying, net, 6 monthsForms 3/4/5 to 2026-06-30
- $11M
| Year | Return |
|---|---|
| 2026 (year to date) | −8.8% |
| 2025 | +343% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 2 | 0 of 2 | −26% |
| Feb | 2 | 1 of 2 | +15% |
| Mar | 2 | 1 of 2 | −6.6% |
| Apr | 2 | 1 of 2 | +23% |
| May | 2 | 0 of 2 | −11% |
| Jun | 2 | 2 of 2 | +18% |
| Jul | 2 | 2 of 2 | +47% |
| Aug | 2 | 1 of 2 | +0.83% |
| Sep | 2 | 2 of 2 | +21% |
| Oct | 2 | 2 of 2 | +33% |
| Nov | 2 | 1 of 2 | −11% |
| Dec | 2 | 0 of 2 | −18% |
End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.