On 2026-08-14, Costco (COST) closed at 961.1 USD, down 0.08% on the day. Its RSI(14) of 55.49 is in the 59th percentile of its history since 1986. Its 20-day return of +2.15% is in the 56th percentile. It trades at 46.4% of its 52-week range. Its RSI last entered overbought 88 days ago (2026-05-18) and oversold 235 days ago (2025-12-22). It is trading above its 20-, 50- and 200-day moving averages. Its 20/50/200-day moving averages are 948.11 / 950.58 / 958.5 USD, with price +1.37% / +1.11% / +0.27% against them. Its moving averages stack 200-day > 50-day > 20-day. Its 52-week range is 844.06–1096.5 USD; it closed 12.35% below the high and 13.87% above the low. The high was set 87 days ago (2026-05-19) and the low 241 days ago (2025-12-16). It is 12.35% below its all-time high, set 87 days ago (2026-05-19). Its 20-day volatility is 0.931% daily, in the 16th percentile of its history since 1986. Its realized volatility across horizons is 5-day 0.813%, 20-day 0.931%, 60-day 1.375%, and 120-day 1.285% daily. Its 14-day average true range (ATR) is 17.57 USD, 1.83% of price. It has returned +1.40% over 5 days, +0.97% over 10 days, +2.15% over 20 days, -12.17% over 60 days, -2.53% over 120 days, and -1.81% over 252 days. Against the S&P 500, its weekly-return beta -0.03 / correlation -0.02 (52-week); beta -0.18 / correlation -0.14 (26-week). Relative to the S&P 500, it has returned -2.25% (20-day), -18.05% (60-day), and -22.21% (252-day). Its weekly-return correlation to the change in the US 10-year TIPS real yield is -0.14 (52-week); +0.03 (26-week). Next earnings are scheduled for 2026-09-24.
=== COSTCO (COST) (USD) ===
price & change (as of 2026-08-14, prior 2026-08-13)
close 961.10
change -0.75 (-0.078%)
range (as of 2026-08-14)
range 7.61
close pos 44.0% of range
moving averages (as of 2026-08-14)
20d MA 948.11 price above by +1.37%
50d MA 950.58 price above by +1.11%
200d MA 958.50 price above by +0.27%
price > all MAs
stack: 200d > 50d > 20d
volatility (as of 2026-08-14)
20d stdev 0.931% daily ≈ 14.8% annualized (×√252) (16th pct of own history, since 1986 (10083 obs))
term struct 5d 0.813% · 20d 0.931% · 60d 1.375% · 120d 1.285% daily
vs easing-2024 avg 0.72× (0.931% vs 1.286% era avg)
ATR (as of 2026-08-14)
ATR(14) 17.57
ATR% 1.83% (33rd pct of own history, since 1986 (10089 obs))
range/ATR 43.3%
relative volume (as of 2026-08-14)
RVOL 0.62x (today vs 20-day average volume)
pctile 17th pct of own history, since 1986 (10083 obs)
52-week range (as of 2026-08-14)
high 1096.50 (-12.35% from high) [2026-05-19, 87d ago]
low 844.06 (+13.87% from low) [2025-12-16, 241d ago]
drawdown -12.35% from all-time high, 87d ago (2026-05-19)
momentum (as of 2026-08-14)
RSI(14) 55.49 (59th pct of own history, since 1986 (10089 obs))
last overbought 88d ago (2026-05-18)
last oversold 235d ago (2025-12-22)
MACD (as of 2026-08-14)
MACD(12,26,9) +1.91 (above signal) signal +0.01 hist +1.90
returns (as of 2026-08-14)
5d return +1.40%
10d return +0.97%
20d return +2.15%
60d return -12.17%
120d return -2.53%
252d return -1.81%
volatility by rate-era
pre-crisis 2.33% (from 1986-07-09)
ZIRP-2009 1.23%
tightening-2015 1.26%
ZIRP-2019 1.39%
tightening-2022 1.64%
easing-2024 1.29%
real-yield sensitivity (weekly returns vs weekly Δ in 10Y TIPS real yield, DFII10) (as of 2026-08-13)
vs real yield (Δ) +0.03 (26w)
vs real yield (Δ) -0.14 (52w)
S&P 500 market factor (weekly returns) (as of 2026-08-14)
vs S&P 500 beta -0.18 corr -0.14 (26w)
vs S&P 500 beta -0.03 corr -0.02 (52w)
vs S&P 500 -2.25% rel (20d return)
vs S&P 500 -18.05% rel (60d return)
vs S&P 500 -22.21% rel (252d return)
vs XLP (Consumer Staples) beta +0.89 corr +0.65 (26w)
vs XLP (Consumer Staples) beta +0.99 corr +0.66 (52w)
earnings horizon
next earnings 2026-09-24 (41 days)