CPSO Short Interest
Calamos S&P 500 Structured Alt Protection ETF â October
1W: +0.3%
1M: +0.7%
3M: +1.9%
YTD: +5.0%
1Y: +5.8%
$28.41
+0.01 (+0.04%)
Weekly Expected Move ±0.2%
$28
$28
$28
$28
$29
Overview
Chart
Holdings
Changes
Technicals
Analysis
Peers
Institutions
Dark Pool
Short Interest
Dividends
Weather
Short Volume Summary
2026-10-0186.5%
Short Ratio
of total volume
51.0%
20-Day Avg
42.8%
50-Day Avg
▲ Rising
5-Day Trend
0.0M
Short Volume
0.0M
Total Volume
Daily Short Volume Ratio
Short Volume vs Total Volume
Exchange Breakdown
2026-10-01| Exchange | Short Volume | Total Volume | Short % |
|---|---|---|---|
| NASDAQ | 32,126 | 37,173 | 86.4% |
| NYSE | 200 | 200 | 100.0% |