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)1.30-13.3315.041.206.19-14.2970.2415.7-12.6776.09-5.1816.6778.885.332.4767.452.09-1.78
24Q2 (19)1.5028.2123.971.1350.67-11.0260.71-22.0-19.3280.25-33.9111.8674.89-35.0815.7966.07-21.24-19.73
24Q1 (18)1.17-3.3124.470.75-25.07.1477.833.46-19.89121.4232.8-6.89115.367.9136.0283.8940.38-41.22
23Q4 (17)1.217.084.311.00-28.5733.3375.23-6.47-4.1491.4340.19-24.31106.9038.87110.5659.76-12.98-59.76
23Q3 (16)1.13-6.6156.941.4010.24191.6780.436.88-35.9865.22-9.09-65.8276.9819.029.4468.67-16.57-72.09
23Q2 (15)1.2128.729.011.2781.4371.6275.25-22.54-8.1271.74-44.98-41.7164.68-23.7426.482.31-42.33-46.48
23Q1 (14)0.94-18.9711.90.70-6.6770.7397.1523.79-10.14130.407.96-41.2584.8167.05-11.7142.73-3.89-39.01
22Q4 (13)1.1661.115.450.7556.2536.3678.48-37.53-5.45120.79-36.69-26.8650.77-27.82-33.29148.50-39.65-13.68
22Q3 (12)0.72-35.147.460.48-35.1414.29125.6353.39-7.56190.7955.03-11.9670.3437.46-44.71246.0860.09.18
22Q2 (11)1.1132.1421.980.7480.495.7181.90-24.24-17.7123.07-44.56-5.5851.17-46.73-55.51153.80-34.2833.9
22Q1 (10)0.84-23.6415.070.41-25.45-64.66108.1130.25-13.08221.9734.41183.5696.0526.2-20.26234.0336.04184.71
21Q4 (9)1.1064.1837.50.5530.95-77.1883.00-38.93-26.59165.14-23.79336.8876.11-40.17-22.72172.03-23.67228.43
21Q3 (8)0.67-26.37-49.620.42-40.0-91.53135.9136.5798.82216.7066.261080.28127.2210.62102.39225.3996.23844.64
21Q2 (7)0.9124.66-27.780.70-39.66-83.4599.52-19.9938.07130.3466.5505.95115.01-4.52126.89114.8639.73167.8
21Q1 (6)0.73-8.7517.741.16-51.87-28.4124.3810.01-15.4978.28107.0939.79120.4622.3234.7682.2056.93-27.76
20Q4 (5)0.80-39.85-16.672.41-51.41-24.92113.0665.3919.3437.80105.8833.3898.4856.6793.8652.38119.53-27.53
20Q3 (4)1.335.560.04.9617.260.068.36-5.160.018.36-14.640.062.8624.010.023.86-44.370.0
20Q2 (3)1.26103.230.04.23161.110.072.08-51.030.021.51-61.590.050.69-43.290.042.89-62.310.0
20Q1 (2)0.62-35.420.01.62-49.530.0147.1855.350.056.0097.60.089.3975.960.0113.7957.430.0
19Q4 (1)0.960.00.03.210.00.094.740.00.028.340.00.050.800.00.072.280.00.0
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)4.6322.493.3537.8678.83-18.29108.92-27.4492.1823.595.57-44.42
2022 (9)3.7865.792.43-20.0796.47-39.84150.1125.1174.64-45.74171.9420.43
2021 (8)2.28-52.23.04-73.33160.35109.44119.98274.82137.56117.18142.77215.58
2020 (7)4.7759.5311.40-11.3576.56-37.3732.0112.8363.343.9945.24-49.57
2019 (6)2.997.5512.86-11.98122.24-6.7528.3713.5360.91-16.1189.707.48
2018 (5)2.78-2.814.6130.1131.092.5824.99-23.1372.61-18.2783.4616.79
2017 (4)2.86-9.4911.2310.31127.7910.6732.51-9.3288.84-3.1871.4619.98
2016 (3)3.16-5.1110.18-0.29115.475.3935.850.2591.769.159.56-2.68
2015 (2)3.33-36.5710.21-16.24109.5657.5935.7619.4484.1140.6361.2054.35
2014 (1)5.25-2.2312.19-1.8569.522.3129.941.9159.81-5.7839.6517.13

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