Costco (COST) was a standout performer in a declining market, with its stock price rising by 2% to $505.65.

Technical Analysis (Indicators)

Bullish Trend Analysis

The Momentum Indicator moved above the 0 level on September 25, 2026. You may want to consider a long position or call options on COST as a result. In 43 of 75 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are 57%.

The Moving Average Convergence Divergence (MACD) for COST just turned positive on September 25, 2026. Looking at past instances where COST's MACD turned positive, the stock continued to rise in 30 of 50 cases over the following month. The odds of a continued upward trend are 60%.

Following a +0.94% 3-day Advance, the price is estimated to grow further. Considering data from situations where COST advanced for three days, in 218 of 354 cases, the price rose further within the following month. The odds of a continued upward trend are 62%.

Bearish Trend Analysis

The Stochastic Oscillator entered the overbought zone. Expect a price pull-back in the foreseeable future.

COST moved below its 50-day moving average on August 31, 2026 date and that indicates a change from an upward trend to a downward trend.

The 10-day moving average for COST crossed bearishly below the 50-day moving average on September 04, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 9 of 19 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 47%.

Following a 3-day decline, the stock is projected to fall further. Considering past instances where COST declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 38%.

COST broke above its upper Bollinger Band on September 25, 2026. This could be a sign that the stock is set to drop as the stock moves back below the upper band and toward the middle band. You may want to consider selling the stock or exploring put options.

The Aroon Indicator for COST entered a downward trend on October 05, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.

Fundamental Analysis (Ratings)

The Tickeron Profit vs. Risk Rating rating for this company is 18 (best 1 - 100 worst), indicating low risk on high returns. The average Profit vs. Risk Rating rating for the industry is 63, placing this stock better than average.

The Tickeron SMR rating for this company is 35 (best 1 - 100 worst), indicating strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.

The Tickeron PE Growth Rating for this company is 53 (best 1 - 100 worst), pointing to average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.

The Tickeron Price Growth Rating for this company is 56 (best 1 - 100 worst), indicating fairly steady price growth. COST’s price grows at a lower rate over the last 12 months as compared to S&P 500 index constituents.

The Tickeron Seasonality Score of 75 (best 1 - 100 worst) indicates that the company is slightly overvalued in the industry. The Tickeron Seasonality score describes the variance of predictable price changes around the same period every calendar year. These changes can be tied to a specific month, quarter, holiday or vacation period, as well as a meteorological or growing season.

The Tickeron Valuation Rating of 99 (best 1 - 100 worst) indicates that the company is significantly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (11.429) is normal, around the industry mean (7.191). P/E Ratio (44.457) is within average values for comparable stocks, (36.397). COST's Projected Growth (PEG Ratio) (4.478) is slightly higher than the industry average of (2.171). Dividend Yield (0.006) settles around the average of (0.009) among similar stocks. P/S Ratio (1.353) is also within normal values, averaging (1.008).