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)2.819.3454.43.2134.87124.4832.34-8.51-35.428.31-25.95-55.5920.687.4354.139.97-26.43-60.19
24Q2 (19)2.5777.24-23.962.3859.7354.5535.35-43.5131.3238.23-37.33-35.1819.25-11.2928.4254.33-46.67-23.38
24Q1 (18)1.45-54.97-28.221.49-29.0547.5262.58121.2139.1361.0041.07-32.5721.7058.97-7.62101.8876.05-8.99
23Q4 (17)3.2276.9267.712.1046.8590.9128.29-43.49-40.4243.24-32.17-47.613.651.71-22.0457.87-42.36-48.56
23Q3 (16)1.82-46.158.331.43-7.1437.550.0685.96-7.4763.758.09-26.9313.42-10.47-34.98100.4041.59-16.83
23Q2 (15)3.3867.3336.291.5452.4860.4226.92-40.15-26.6158.98-34.8-37.5514.99-36.19-36.2770.91-36.65-34.1
23Q1 (14)2.025.21-11.41.01-8.1829.4944.98-5.2712.5390.469.62-22.4823.4934.15-25.95111.94-0.49-10.41
22Q4 (13)1.9214.29-7.691.105.77-2.6547.48-12.248.382.52-5.422.3817.51-15.16-32.03112.49-6.8114.01
22Q3 (12)1.68-32.26-21.861.048.330.054.1047.4927.6887.25-7.61-0.320.64-12.24-28.38120.7112.1819.44
22Q2 (11)2.488.7777.140.9623.085.4936.68-8.23-43.4694.44-19.07-5.5723.52-25.85-43.41107.60-13.89-12.75
22Q1 (10)2.289.62-38.210.78-30.97-32.1739.97-8.8362.28116.6944.7847.531.7223.14-19.1124.9526.6393.63
21Q4 (9)2.08-3.26-10.731.138.65-36.5243.843.4712.0980.60-7.957.9825.76-10.62-12.6598.67-2.3662.71
21Q3 (8)2.1553.574.371.0414.29-40.2342.37-34.68-4.1687.51-12.566.9428.82-30.65-4.92101.06-18.0652.41
21Q2 (7)1.40-62.06-73.730.91-20.87-58.2664.87163.38280.25100.0126.42140.041.565.99112.15123.3391.12215.1
21Q1 (6)3.6958.37288.421.15-35.396.4824.63-37.02-74.1679.1155.06-6.0839.2132.96-0.0364.536.41-54.02
20Q4 (5)2.3313.1127.321.782.335.8839.11-11.54-21.2951.02-2.67-26.8329.49-2.71-30.460.64-8.55-21.3
20Q3 (4)2.06-61.350.01.74-20.180.044.21159.140.052.4225.80.030.3154.720.066.3169.420.0
20Q2 (3)5.33461.050.02.18101.850.017.06-82.10.041.67-50.530.019.59-50.050.039.14-72.110.0
20Q1 (2)0.95-48.090.01.08-17.560.095.3291.830.084.2320.790.039.22-7.430.0140.3382.130.0
19Q4 (1)1.830.00.01.310.00.049.690.00.069.730.00.042.370.00.077.050.00.0
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)10.8748.095.7342.1833.57-32.5263.75-29.6417.15-25.8580.18-31.61
2022 (9)7.34-6.384.03-18.2649.756.8590.6122.4523.13-15.06117.2425.62
2021 (8)7.840.774.93-27.3946.56-0.774.0037.7327.239.8993.3323.05
2020 (7)7.7853.756.7953.2746.89-35.0253.73-34.7424.78-45.6975.85-30.32
2019 (6)5.0643.344.4319.7372.16-30.1482.33-16.5245.63-0.24108.86-30.29
2018 (5)3.53-35.353.700.0103.2954.6398.620.0445.7441.65156.1717.33
2017 (4)5.46-9.63.70-15.7266.8010.5298.5818.6332.29-32.01133.1038.56
2016 (3)6.0442.794.39-15.4160.44-29.9183.1018.1147.49-18.4696.06-2.34
2015 (2)4.23-5.585.196.3586.235.9370.36-6.0158.24-10.4198.367.8
2014 (1)4.48-56.124.8846.9981.40127.6974.86-31.8465.01-34.8191.2499.0

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