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)6.4145.6897.842.5086.5779.8614.20-31.37-49.536.34-46.57-44.378.76-38.44-63.3341.78-43.9-39.94
24Q3 (19)4.40-41.64203.451.3413.56185.1120.6971.42-66.9768.01-11.7-65.0414.2310.4-85.6174.47-2.28-52.93
24Q2 (18)7.54383.33107.711.18210.5311.3212.07-79.26-51.8477.02-67.59-9.9212.89-70.71-69.4876.21-69.7411.56
24Q1 (17)1.56-51.85-4.880.38-72.66-33.3358.21107.014.68237.62263.7249.344.0184.22-42.01251.83262.0381.33
23Q4 (16)3.24123.45-28.01.39195.74-13.1328.12-55.1139.0765.33-66.4114.6523.89-75.85-17.2869.56-56.0443.93
23Q3 (15)1.45-60.06-46.30.47-55.66-6.062.64149.9685.55194.51127.57.8298.92134.1915.32158.22131.6223.23
23Q2 (14)3.63121.34-25.461.0685.960.9525.06-54.9434.2385.50-46.28-0.9642.24-44.3417.468.31-50.81-1.03
23Q1 (13)1.64-63.56-35.180.57-64.385.5655.61175.0254.3159.16179.33-5.5475.89162.789.16138.88187.362.86
22Q4 (12)4.5066.67-23.341.60220.070.2120.22-40.1130.2856.98-68.42-40.9228.88-66.33-33.8148.33-62.36-29.27
22Q3 (11)2.70-44.56-26.030.50-52.38-10.7133.7680.8235.31180.41108.9810.9285.78138.4115.39128.3986.0213.36
22Q2 (10)4.8792.4958.121.0594.4464.0618.67-48.2-36.886.33-48.77-38.9235.98-48.25-36.8669.02-48.88-39.4
22Q1 (9)2.53-56.9-18.910.54-42.55-14.2936.04132.2223.51168.5074.7216.8469.5259.3465.88135.0297.62.68
21Q4 (8)5.8760.8235.880.9467.8625.3315.52-37.8-26.2796.44-40.71-20.6643.63-41.3115.9468.33-39.67-34.91
21Q3 (7)3.6518.512.820.56-12.5-27.2724.95-15.54-2.58162.6515.0937.3674.3430.4754.52113.26-0.5518.09
21Q2 (6)3.08-1.2892.50.641.59-4.4829.541.23-48.18141.33-2.04.1856.9835.9623.68113.89-13.39-22.31
21Q1 (5)3.12-27.78262.790.63-16.031.2529.1838.62-72.35144.2118.63-23.9541.9111.37-44.3131.4925.25-40.21
20Q4 (4)4.3221.690.00.75-2.60.021.05-17.810.0121.562.660.037.63-21.780.0104.989.460.0
20Q3 (3)3.55121.870.00.7714.930.025.61-55.080.0118.41-12.720.048.114.430.095.91-34.580.0
20Q2 (2)1.6086.050.00.6739.580.057.01-45.980.0135.66-28.460.046.07-38.770.0146.60-33.340.0
20Q1 (1)0.860.00.00.480.00.0105.540.00.0189.630.00.075.240.00.0219.920.00.0
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)13.8259.586.4763.826.40-37.3856.40-38.9715.18-57.4267.63-31.64
2023 (9)8.66-25.473.9511.2742.1634.2292.42-9.9935.65-29.3198.9318.25
2022 (8)11.62-12.893.5554.3531.4114.8102.68-35.2250.431.2983.66-38.53
2021 (7)13.34115.512.3024.3227.36-53.6158.51-19.5349.79-17.69136.09-30.37
2020 (6)6.19-15.91.85-47.5958.9618.89196.9990.760.49-16.55195.46143.08
2019 (5)7.3626.683.532.0249.59-21.07103.30-1.9672.49-14.9280.41-3.12
2018 (4)5.8115.513.461.4762.83-13.41105.37-1.6785.2039.683.00-30.08
2017 (3)5.03-23.93.41-8.5872.5631.43107.169.3761.0330.1118.7011.69
2016 (2)6.61-23.853.73-15.855.2131.3697.9818.9746.9136.56106.2818.04
2015 (1)8.68-0.464.4315.9742.030.4382.36-13.734.350.9190.04-12.78

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