玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q4 (20)1.5635.6517.290.9652.3817.0758.51-25.78-14.7694.51-34.35-15.1226.60-27.64-18.6126.42-32.05-14.18
24Q3 (19)1.15-8.73-9.450.63-19.230.078.839.0210.11143.9723.550.4436.7637.067.45186.0414.832.94
24Q2 (18)1.2623.53-8.70.7830.059.1872.31-19.319.73116.53-22.87-37.8326.82-29.9-2.72162.02-19.96-28.24
24Q1 (17)1.02-23.31-26.090.60-26.8346.3489.6130.5535.9151.0835.69-32.2138.2617.0715.94202.4337.43-20.86
23Q4 (16)1.334.727.260.8230.1695.2468.64-4.12-6.32111.34-22.32-48.0532.68-4.47-4.08147.30-18.49-41.89
23Q3 (15)1.27-7.972.420.6328.5726.071.598.63-2.19143.34-23.53-20.5434.2124.081.6180.72-19.95-17.82
23Q2 (14)1.380.018.970.4919.518.8965.90-0.06-15.75187.45-15.89-6.327.57-16.45-35.07225.77-11.74-4.25
23Q1 (13)1.3811.29-4.830.41-2.38-29.3165.94-10.05.32222.863.9941.2133.00-3.14-22.73255.800.9143.93
22Q4 (12)1.240.0-10.140.42-16.0-19.2373.270.1111.22214.3118.821.534.071.19-35.14253.5015.2733.6
22Q3 (11)1.246.9-14.480.5011.11-25.3773.19-6.4316.56180.40-9.8232.7233.67-20.7-10.88219.92-6.7336.65
22Q2 (10)1.16-20.0-26.110.45-22.41-32.8478.2224.9334.65200.0526.7647.2542.46-0.5942.96235.8032.6843.56
22Q1 (9)1.455.079.020.5811.54-4.9262.61-4.96-8.68157.82-10.526.5342.71-18.69131.49177.72-6.33-10.36
21Q4 (8)1.38-4.831.470.52-22.394.065.884.92-1.27176.3829.76-2.752.5339.0474.75189.7417.89-12.94
21Q3 (7)1.45-7.645.070.670.028.8562.798.09-4.66135.930.05-22.2837.7827.21-12.55160.94-2.02-18.54
21Q2 (6)1.5718.056.80.679.848.0658.09-15.27-6.28135.86-8.29-6.729.7060.98-26.45164.25-17.15-1.77
21Q1 (5)1.33-2.21-10.140.6122.0-6.1568.562.7411.72148.14-18.286.1918.45-38.62-53.83198.25-9.0323.21
20Q4 (4)1.36-1.450.00.50-3.850.066.731.320.0181.273.640.030.06-30.420.0217.9410.320.0
20Q3 (3)1.38-6.120.00.52-16.130.065.866.260.0174.9020.120.043.206.980.0197.5618.150.0
20Q2 (2)1.47-0.680.00.62-4.620.061.980.990.0145.614.380.040.381.050.0167.213.920.0
20Q1 (1)1.480.00.00.650.00.061.370.00.0139.500.00.039.960.00.0160.910.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2024 (10)4.04-19.842.9322.5990.4524.86124.63-18.2930.604.94184.48-5.79
2023 (9)5.04-23.292.3917.7372.4430.41152.53-15.1529.16-28.91195.810.78
2022 (8)6.576.142.03-3.3355.55-5.78179.773.3541.028.66194.30-0.44
2021 (7)6.19-3.732.10-14.2958.963.84173.9516.937.7538.48195.159.44
2020 (6)6.43-6.42.45-4.6756.786.85148.804.627.260.81178.325.92
2019 (5)6.8716.052.5723.5653.14-13.89142.25-18.7927.04-22.5168.35-16.65
2018 (4)5.92-7.932.08-31.5861.718.76175.1745.8234.89-8.74201.9945.68
2017 (3)6.434.383.04-13.1456.74-4.28120.1315.1838.2318.8138.655.52
2016 (2)6.16-14.093.5013.6459.2816.42104.30-11.9232.183.21131.40-4.88
2015 (1)7.17-18.433.08-14.6850.9222.61118.4117.231.18-17.69138.1431.96

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