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
24Q1 (20)1.08-6.9-7.690.75-2.625.084.457.598.87122.083.6-20.1753.593.287.18152.955.9-15.26
23Q4 (19)1.16-13.43-7.940.77-1.2826.2378.4915.178.52117.840.99-21.4151.8915.720.45144.433.17-15.35
23Q3 (18)1.341.5212.610.7816.4221.8868.15-1.35-11.09116.68-13.68-18.5544.848.23-12.28139.99-14.03-17.06
23Q2 (17)1.3212.8218.920.6711.6715.5269.08-10.94-15.57135.17-11.61-13.2641.43-17.14-31.64162.83-9.78-8.02
23Q1 (16)1.17-7.1410.380.60-1.64-4.7677.577.24-9.23152.921.985.8650.00-3.21-20.36180.495.788.0
22Q4 (15)1.265.8815.60.61-4.69-10.2972.33-5.64-13.56149.954.6712.1351.661.06-17.09170.631.0910.01
22Q3 (14)1.197.2113.330.6410.34-8.5776.65-6.32-11.42143.26-8.079.8551.12-15.66-17.25168.79-4.658.77
22Q2 (13)1.114.725.710.58-7.94-27.581.82-4.26-5.49155.837.8836.7860.61-3.467.37177.035.9322.89
22Q1 (12)1.06-2.756.00.63-7.35-14.8685.462.13-6.26144.458.0217.862.780.757.08167.127.757.7
21Q4 (11)1.093.8111.220.68-2.86-9.3383.68-3.29-9.67133.732.549.6162.310.8616.53155.10-0.05-3.77
21Q3 (10)1.050.011.70.70-12.5-2.7886.53-0.05-10.86130.4214.473.5961.789.4411.46155.187.73-7.38
21Q2 (9)1.055.07.140.808.112.5686.57-5.05-7.02113.93-7.09-2.9156.45-3.723.11144.05-7.17-7.48
21Q1 (8)1.002.04-0.990.74-1.33-9.7691.17-1.590.81122.620.5110.1858.639.652.9155.17-3.727.2
20Q4 (7)0.984.26-3.920.754.17-8.5492.64-4.563.57122.00-3.19.6453.47-3.54-14.08161.17-3.8116.38
20Q3 (6)0.94-4.08-5.050.72-7.69-12.297.074.255.43125.907.2912.9955.431.24-8.37167.557.6117.16
20Q2 (5)0.98-2.97-2.00.78-4.884.093.112.952.61117.355.45-2.8654.75-3.91-10.69155.707.563.63
20Q1 (4)1.01-0.980.00.820.00.090.441.110.0111.290.020.056.98-8.440.0144.754.520.0
19Q4 (3)1.023.030.00.820.00.089.45-2.850.0111.27-0.140.062.232.880.0138.49-3.160.0
19Q3 (2)0.99-1.00.00.829.330.092.071.470.0111.43-7.760.060.49-1.320.0143.01-4.810.0
19Q2 (1)1.000.00.00.750.00.090.740.00.0120.800.00.061.300.00.0150.240.00.0
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)4.51-6.432.757.080.886.77132.57-6.5751.08-11.49162.371.52
2022 (9)4.8212.352.57-8.5475.75-10.97141.899.0657.71-4.72159.943.45
2021 (8)4.294.382.81-14.0785.08-4.16130.1016.4960.578.61154.606.86
2020 (7)4.116.23.2713.1588.77-5.9111.68-11.6155.77-15.92144.68-6.27
2019 (6)3.87-6.522.895.0994.347.07126.35-4.8266.338.81154.36-3.47
2018 (5)4.149.232.756.1888.11-8.42132.75-5.7160.96-6.24159.91-7.02
2017 (4)3.791.612.59-14.2496.21-1.81140.7916.3565.0217.36171.985.13
2016 (3)3.731.633.021.097.98-1.43121.01-0.8155.4014.3163.59-5.4
2015 (2)3.67-3.932.99-9.3999.404.13122.0010.2148.47-7.34172.9212.4
2014 (1)3.82-9.693.30-2.6595.4610.72110.702.6952.31-1.47153.859.17

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