Here’s whether Costco Wholesale Corp (COST) is worth buying in 2026 —
based on weekly-updated price trend, RSI momentum, and return vs.
the S&P 500. Our current read: Bearish.
🔴
Bearish
Positives: RSI 47 — healthy momentum range. Concerns: trading below the 200-day MA (long-term downtrend); below the 50-day MA (medium-term momentum negative); 50-day MA is falling (-0.34% over 10 days); 3-month momentum negative (-7.8%). Currently 13.6% off its 52-week high. Score: -4/7.
COST is trading below its 200-day MA ($959.29) — a key warning sign the longer-term trend is under pressure. An RSI of 47.1 sits in the neutral zone — momentum is neither stretched nor exhausted. The 1-year return of -2.3% compares to +20.5% for SPY (trailed the market by 22.7%).
$10,000 invested 1 year ago→ $9,774 today
vs. S&P 500 (SPY) — same period trailed market by 22.7%
1-Year Price Chart
Daily candles
MA-50MA-200UpDown
Signal Check
✗Above 200-day MA ($959.29)
✗Above 50-day MA ($948.22)
✓RSI(14) neutral zone (30–70) — currently 47.1
✗Positive return (-2.3%)
!Within 10% of period high (−13.6%)
Period Range $947.74
$844.06$1,096.50
RSI (14) 47.1
0 · OversoldOverbought · 100
Key Metrics
Price$947.74
Period Return-2.3%
Period High$1,096.50
Period Low$844.06
Drawdown−13.6%
MA-50$948.22
MA-200$959.29
RSI (14)47.1
Avg Volume (30d)1.9M
vs. SPYtrailed by 22.7%
Return Rank#590 of 999
Trend Signals
Price is below the 200-day moving average ($959.29)
Price is below the 50-day moving average ($948.22)