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)38.2912.02-7.241.23-26.79-12.142.38-10.538.1873.7536.213.3921.1044.5227.3455.0330.378.6
24Q2 (19)34.1813.59-47.391.685.6615.862.66-11.9290.054.15-5.6-13.4614.60-37.376.2642.2113.83-15.97
24Q1 (18)30.09-29.81-30.521.59-17.6250.03.0242.4543.8157.3621.47-32.9423.3134.0416.237.0816.06-45.13
23Q4 (17)42.873.85-12.561.9337.8687.382.12-3.6413.9847.22-27.4-46.7617.394.95-20.2331.95-36.94-53.53
23Q3 (16)41.28-36.46-0.531.40-3.457.692.2057.140.4665.043.95-7.1816.5720.620.1650.670.88-13.34
23Q2 (15)64.9750.0187.451.4536.795.071.40-33.33-46.7762.57-26.85-5.3713.74-31.5121.0650.23-25.67-12.49
23Q1 (14)43.31-11.67134.621.062.9121.842.1012.9-57.485.54-3.55-17.9520.06-7.986.8767.58-1.7-25.25
22Q4 (13)49.0318.14104.381.03-20.77-21.371.86-15.07-50.9288.6926.5727.8721.8058.0961.2468.7517.5815.27
22Q3 (12)41.5019.73113.151.30-5.819.272.19-16.73-53.170.075.97-15.9713.7921.511.9358.471.86-22.81
22Q2 (11)34.6687.76-5.971.3858.6226.612.63-46.656.4866.12-36.58-20.7411.35-39.5321.5257.40-36.51-25.02
22Q1 (10)18.46-23.059.690.87-33.5931.824.9330.08-8.87104.2550.3-24.8518.7738.8316.0190.4151.59-29.35
21Q4 (9)23.9923.22-41.631.3120.18-2.963.79-18.8471.4969.36-16.823.013.529.7459.2559.64-21.27-2.33
21Q3 (8)19.47-47.18-81.741.090.053.524.6789.07449.4183.39-0.04-34.5912.3231.91-50.1475.75-1.05-26.9
21Q2 (7)36.86119.0129.561.0965.15127.082.47-54.34-22.8183.42-39.87-55.929.34-42.27-78.6476.55-40.18-48.52
21Q1 (6)16.83-59.0572.260.66-51.1178.385.41144.8-41.89138.73106.01-44.1816.1890.58-76.11127.96109.56-32.68
20Q4 (5)41.10-61.46-34.311.3590.14-27.032.21160.052.4167.34-47.1837.268.49-65.64-38.2561.06-41.0766.06
20Q3 (4)106.65274.870.00.7147.920.00.85-73.440.0127.48-32.640.024.71-43.490.0103.62-30.320.0
20Q2 (3)28.45191.20.00.4829.730.03.20-65.630.0189.24-23.850.043.73-35.430.0148.71-21.770.0
20Q1 (2)9.77-84.390.00.37-80.00.09.31542.070.0248.51406.540.067.73392.580.0190.09416.970.0
19Q4 (1)62.570.00.01.850.00.01.450.00.049.060.00.013.750.00.036.770.00.0
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)232.8487.675.9528.231.57-46.661.31-22.0723.2515.1639.62-35.5
2022 (9)124.0772.734.646.912.94-42.1378.67-6.5720.1939.9261.43-17.92
2021 (8)71.8321.524.3420.565.08-17.6784.20-17.0514.43-41.7474.84-9.73
2020 (7)59.11-69.583.60-49.226.17228.19101.5197.1524.77-15.1482.91242.89
2019 (6)194.29-86.07.09-17.081.88623.0851.4920.5629.19-1.8824.1882.9
2018 (5)1388.033836.568.55104.060.26-97.4942.71-50.9629.75-42.6113.22-71.01
2017 (4)35.26320.264.1964.3110.35-76.287.09-39.2651.84-38.945.60-55.31
2016 (3)8.3902.55043.490143.38084.840102.030

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