COST
Costco Wholesale Corporation · $951.89 (-0.2%) · mkt cap $422.1B · P/E 47.9
10 hub catalysts across 4 sources · backtest → · ← Ticker Explorer
Earnings (SEC EDGAR)U.S. House — Congressional TradesSEC EDGAR FilingsU.S. Senate — Congressional Trades
Signal summary
Signals divergeBullish and bearish forces are in conflict here — weigh both columns.
100▲ Bull-leanconviction from hub signals
Bullish factors
- Congress bought (2)
- 2 analyst upgrades
Bearish factors
- 1 analyst downgrade
- Insiders net selling (12 vs 0)
Signal mix for COST
Which data feeds have fired on this name — hover a slice for counts.
Best strategy
2-yr backtest · by SharpeConnors RSI(2) has fit COST best over 2 years (+42.9%, Sharpe 0.98). Historical/in-sample — walk-forward all 19 →
| # | Strategy | Return | Sharpe | Beats B&H |
|---|---|---|---|---|
| 1 | Connors RSI(2) | +42.9% | 0.98 | ✓ |
| 2 | Bollinger Bands | +14.8% | 0.58 | |
| 3 | Buy & Hold (baseline) | +16.5% | 0.47 |
Price — 1 year
daily closeInsider activity
0 open-market buysOfficers & directors trading their own stock (SEC Form 4). Buys are bullish; sells shown for context.
| Date | Action | Insider | Shares | Value |
|---|---|---|---|---|
| 2026-06-23 | SELL | Denman Kenneth D | 885 | $847K |
| 2026-04-01 | SELL | Frates Caton | 700 | $695K |
| 2026-03-09 | SELL | Adamo Claudine | 730 | $732K |
| 2026-01-21 | SELL | Jones Teresa A | 850 | $838K |
| 2026-01-16 | SELL | Decker Susan Lynne | 458 | $437K |
| 2026-01-14 | SELL | Klauer James C | 1,500 | $1.4M |
| 2026-01-09 | SELL | Miller Russell D | 1,500 | $1.4M |
| 2025-12-30 | SELL | Polit Javier | 2,607 | $2.3M |
| 2025-11-07 | SELL | Wilcox William Richard | 2,400 | $2.2M |
| 2025-10-24 | SELL | Adamo Claudine | 2,700 | $2.5M |
| 2025-10-24 | SELL | Barbre Tiffany Marie | 1,239 | $1.2M |
| 2025-09-29 | SELL | Frates Caton | 1,540 | $1.4M |
Analyst ratings
live · 3 changes| Date | Action | Analyst | Rating Change |
|---|---|---|---|
| 2026-01-05 | Upgrade | Mizuho | Neutral → Outperform |
| 2025-12-24 | Upgrade | Northcoast Research | Neutral → Buy |
| 2025-12-15 | Downgrade | Roth Capital | Neutral → Sell |
Catalyst timeline
10 hub signals| Date | Source | Event | Entity | Value | |
|---|---|---|---|---|---|
| 2026-08-01 | Earnings (SEC EDGAR) | Earnings (est.) | COST next report ~2026-08-26 (estimated) | ||
| 2026-07-10 | U.S. House — Congressional Trades | Congress BUY | Hon. Dan Newhouse | $1,001 - $15,000 | source ↗ |
| 2026-07-08 | SEC EDGAR Filings | 8-K Event | COSTCO WHOLESALE CORP /NEW | source ↗ | |
| 2026-06-23 | SEC EDGAR Filings | Insider SELL | DENMAN KENNETH D | $847K | source ↗ |
| 2026-06-03 | Earnings (SEC EDGAR) | Earnings | COST FY2026Q3 results | 63.2B | source ↗ |
| 2026-06-03 | Earnings (SEC EDGAR) | Earnings | COST FY2026Q3 results | 70.5B | source ↗ |
| 2026-05-28 | Earnings (SEC EDGAR) | Earnings 8-K | COST earnings announcement (8-K item 2.02) | source ↗ | |
| 2026-03-27 | U.S. Senate — Congressional Trades | Congress BUY | Armstrong, Alan (Senator) | $1,001 - $15,000 | source ↗ |
| 2026-03-11 | Earnings (SEC EDGAR) | Earnings | COST FY2026Q2 results | 69.6B | source ↗ |
| 2025-12-17 | Earnings (SEC EDGAR) | Earnings | COST FY2026Q1 results | 67.3B | source ↗ |
Alt-Data Signal Hub · collected signals updated 2026-07-28 14:38 UTC (refreshed daily) · market & option prices are always live on load · display-only, not advice