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)3.52-21.6-12.00.04-20.033.3325.8927.7313.952495.6242.26-21.76248.7327.9-17.372272.7743.84-21.93
24Q2 (19)4.49-72.82-50.770.05-73.68-16.6720.27267.88103.111754.31269.9711.08194.47274.4829.921580.11269.49.76
24Q1 (18)16.525.69409.880.1911.76533.335.51-5.33-80.38474.17-10.77-83.7351.93-5.06-83.93427.75-11.35-83.67
23Q4 (17)15.63290.75145.750.17466.67142.865.82-74.38-59.36531.40-83.34-59.8554.70-81.83-62.86482.53-83.43-59.47
23Q3 (16)4.00-56.14-71.990.03-50.0-78.5722.72127.66256.673189.66101.97374.53301.02101.11376.222911.36102.24373.14
23Q2 (15)9.12181.48-46.670.06100.0-45.459.98-64.4687.591579.26-45.8393.65149.68-53.68131.341439.56-45.0690.38
23Q1 (14)3.24-49.06-15.40.03-57.140.028.0896.0918.182915.11120.247.75323.16119.455.662620.03120.053.9
22Q4 (13)6.36-55.46-63.90.07-50.0-58.8214.32124.8177.521323.6196.92145.48147.29133.02238.131190.6493.5137.75
22Q3 (12)14.28-16.4979.850.1427.27133.336.3719.74-44.46672.17-17.58-53.6763.21-2.3-45.79615.33-18.62-54.28
22Q2 (11)17.10346.48123.240.11266.67-8.335.32-77.61-55.22815.53-69.8611.1164.70-68.834.44756.15-70.0110.56
22Q1 (10)3.83-78.2625.160.03-82.35-50.023.76360.47-20.112705.44401.7671.18207.60376.5843.82521.59403.5172.02
21Q4 (9)17.62121.9189.260.17183.3341.675.16-55.01-47.24539.19-62.84-28.0643.56-62.64-41.21500.80-62.79-26.91
21Q3 (8)7.943.66-9.670.06-50.0-57.1411.47-3.4510.711450.9597.69130.39116.6188.2387.931345.8296.79132.81
21Q2 (7)7.66150.33107.590.12100.071.4311.88-60.05-51.88733.97-53.56-45.5561.95-57.09-51.27683.90-53.34-45.1
21Q1 (6)3.06-67.1320.950.06-50.050.029.74204.09-17.271580.47110.88-24.62144.3794.86-27.641465.85113.94-24.17
20Q4 (5)9.315.923.220.12-14.29-40.09.78-5.6-3.07749.4719.0164.3474.0919.475.65685.1618.5261.61
20Q3 (4)8.79138.210.00.14100.00.010.36-58.040.0629.78-53.280.062.05-51.190.0578.08-53.590.0
20Q2 (3)3.6945.850.00.0775.00.024.69-31.320.01348.07-35.70.0127.13-36.280.01245.63-35.560.0
20Q1 (2)2.53-71.950.00.04-80.00.035.95256.290.02096.67359.760.0199.52373.020.01933.10355.970.0
19Q4 (1)9.020.00.00.200.00.010.090.00.0456.040.00.042.180.00.0423.950.00.0
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)27.73-19.150.30-14.2913.1623.681214.3017.05139.6129.821087.8415.67
2022 (9)34.30-6.740.35-18.610.647.261037.4023.17107.5441.61940.5021.16
2021 (8)36.7850.00.4316.229.92-33.38842.24-15.2575.94-22.6776.23-14.76
2020 (7)24.5216.760.37-31.4814.89-14.33993.8245.7698.1227.15910.5946.39
2019 (6)21.0090.910.5480.017.38-47.6681.81-43.3277.17-44.23622.02-43.33
2018 (5)11.0026.440.3011.1133.17-20.931202.88-10.3138.36-0.691097.69-11.73
2017 (4)8.7012.990.278.041.95-11.481340.94-8.31139.32-13.291243.57-7.82
2016 (3)7.706.50.25-28.5747.39-6.161462.4040.99160.6710.031349.1243.26
2015 (2)7.23-34.210.35-57.8350.5052.021037.25135.49146.0276.61941.74140.85
2014 (1)10.99-30.220.83-29.0633.2243.38440.4640.9382.6826.52391.0044.63

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