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
24Q3 (20)2.232.2953.790.38-28.318.7540.82-2.11-34.94237.1138.93-16.033.87124.63.36244.0523.69-21.84
24Q2 (19)2.1810.66120.20.5396.3140.9141.70-9.54-54.46170.67-48.48-58.515.08-64.55-70.94197.30-41.08-56.24
24Q1 (18)1.9711.93-17.230.27-27.03-22.8646.10-10.9520.74331.2935.9926.342.54-0.1664.18334.8532.4821.95
23Q4 (17)1.7621.38-33.830.3715.62164.2951.77-17.4851.46243.61-13.69-62.2942.6130.03203.71252.76-19.05-62.06
23Q3 (16)1.4546.46-59.150.3245.4545.4562.74-31.48144.6282.26-31.36-31.7732.77-36.85-10.95312.23-30.75-22.44
23Q2 (15)0.99-58.4-69.440.22-37.14-8.3391.56139.81226.18411.2256.779.6451.89100.27-7.29450.8964.2129.87
23Q1 (14)2.38-10.53-33.330.35150.0-5.4138.1811.749.61262.31-59.46.2725.9184.68-59.55274.58-58.7831.81
22Q4 (13)2.66-25.07-35.280.14-36.36-70.8334.1833.2654.31646.0556.16243.314.03-61.87-81.52666.2065.49395.68
22Q3 (12)3.559.57-17.630.22-8.33-43.5925.65-8.6221.45413.7010.378.3336.80-34.25-61.5402.5615.95155.58
22Q2 (11)3.24-9.24-59.350.24-35.14-73.9128.079.99146.01375.0851.95278.2655.97-12.6242.67347.1866.67386.66
22Q1 (10)3.57-13.149.850.37-22.92-47.8925.5215.21-8.99246.8431.1792.1864.05-15.6559.81208.3154.9978.96
21Q4 (9)4.11-4.6449.450.4823.08-52.9422.154.88-33.1188.19-18.88110.1775.93-20.57227.57134.40-14.6735.12
21Q3 (8)4.31-45.9259.630.39-57.61-37.121.1285.1-37.25231.99133.9657.8695.59143.67242.13157.51120.793.17
21Q2 (7)7.97145.235.150.9229.58-7.0711.41-59.31-4.9299.16-22.87.4839.23-2.12292.6971.34-38.71-24.32
21Q1 (6)3.2518.18-39.020.71-30.3947.9228.04-15.3164.26128.4443.44-32.3440.0872.9144.64116.4017.02-35.04
20Q4 (5)2.751.85-72.221.0264.5217.2433.11-1.63260.2889.54-39.07-14.823.18-17.04-31.0599.47-34.8523.29
20Q3 (4)2.70-64.380.00.62-37.370.033.66180.50.0146.9659.290.027.94179.680.0152.6761.950.0
20Q2 (3)7.5842.210.00.99106.250.012.00-29.70.092.26-51.40.09.99-63.950.094.27-47.390.0
20Q1 (2)5.33-46.160.00.48-44.830.017.0785.750.0189.8480.630.027.71-17.580.0179.20122.110.0
19Q4 (1)9.900.00.00.870.00.09.190.00.0105.100.00.033.620.00.080.680.00.0
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
2023 (10)14.1628.611.2819.6325.78-22.26285.30-16.1826.30-58.52284.79-8.17
2022 (9)11.01-2.311.07-43.6833.162.38340.3677.0663.40-13.95310.12105.47
2021 (8)11.27-39.471.90-50.932.3965.26192.23103.6873.68198.78150.9368.98
2020 (7)18.62-49.53.8735.7919.6097.9894.38-26.2524.66-22.9689.32-15.63
2019 (6)36.8720.532.8522.849.90-17.02127.98-18.6132.01-28.08105.87-15.09
2018 (5)30.59-12.322.32-19.4411.9314.05157.2523.9844.517.75124.6829.89
2017 (4)34.89-33.432.88-29.0610.4650.29126.8440.9241.318.1795.9963.3
2016 (3)52.41-48.054.06-4.256.9692.2790.014.638.19-9.4258.7823.72
2015 (2)100.88-52.444.2430.063.62110.4786.05-23.1442.16-26.9547.51-15.12
2014 (1)212.10-35.563.2616.851.7254.95111.96-14.2857.71-8.4455.97-18.51

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