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
24Q2 (20)1.2817.4317.431.8324.4934.5671.12-14.57-14.4549.65-19.7-25.5770.98-8.42.149.79-26.34-38.01
24Q1 (19)1.09-14.17-6.841.47-3.9217.683.2516.426.7661.834.11-15.3577.498.1725.6967.5914.04-24.36
23Q4 (18)1.2711.447.671.5315.0457.7371.51-10.25-32.3759.39-13.15-36.5371.64-7.57-19.3759.27-15.99-46.35
23Q3 (17)1.144.59-2.561.33-2.21-2.2179.68-4.152.3868.382.52.4777.5111.4910.1970.55-12.16-4.94
23Q2 (16)1.09-6.8421.111.368.841.6783.136.6-17.7766.71-8.67-29.4969.5212.77-30.7680.32-10.12-15.71
23Q1 (15)1.1736.0518.181.2528.879.6577.98-26.25-15.3273.04-21.94-8.3361.65-30.61-40.9589.36-19.1132.64
22Q4 (14)0.86-26.5-27.120.97-28.68-40.85105.7435.8637.3293.5740.2268.2988.8526.322.39110.4748.84141.1
22Q3 (13)1.1730.0-5.651.3641.67-21.3977.83-23.016.4166.73-29.4727.1870.34-29.95-14.8774.22-22.1172.68
22Q2 (12)0.90-9.09-25.00.96-15.79-40.74101.099.7732.7794.6118.7468.44100.41-3.8323.1795.2941.4487.62
22Q1 (11)0.99-16.11.021.14-30.49-24.092.0919.6-0.6279.6843.3131.25104.4120.3225.9667.3747.03-4.41
21Q4 (10)1.18-4.8420.411.64-5.210.0777.005.28-16.6755.605.97-8.9186.785.0213.7245.826.61-40.59
21Q3 (9)1.243.3340.911.736.7927.2173.14-3.94-29.3152.47-6.59-21.4982.631.36-6.0342.98-15.38-47.82
21Q2 (8)1.2022.45-3.231.628.00.076.14-17.833.8956.17-7.48-0.2381.52-1.6517.4150.79-27.94-15.56
21Q1 (7)0.980.010.111.500.6742.8692.660.28-9.6260.71-0.54-30.1982.898.62-7.370.48-8.62-29.57
20Q4 (6)0.9811.365.381.499.5615.592.40-10.7-5.3661.04-8.66-13.3176.31-13.22-2.577.13-6.36-14.08
20Q3 (5)0.88-29.03-2.221.36-16.05-17.07103.4741.182.5366.8318.720.4887.9326.653.6282.3736.9415.14
20Q2 (4)1.2439.330.01.6254.290.073.29-28.510.056.30-35.260.069.43-22.360.060.15-39.890.0
20Q1 (3)0.89-4.30.01.05-18.60.0102.525.010.086.9623.510.089.4214.250.0100.0711.470.0
19Q4 (2)0.933.330.01.29-21.340.097.63-3.260.070.4126.930.078.27-7.770.089.7725.480.0
19Q3 (1)0.900.00.01.640.00.0100.920.00.055.470.00.084.860.00.071.540.00.0
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)4.312.864.89-2.484.77-2.7374.602.4672.44-17.5186.9320.49
2022 (9)4.196.355.01-10.0587.15-6.0172.8111.0487.82-7.5372.1513.95
2021 (8)3.94-1.755.57-1.4292.721.7965.571.5894.9722.1563.32-18.71
2020 (7)4.01-9.285.65-20.7691.0910.4164.5526.177.7516.4477.8916.38
2019 (6)4.424.997.13-15.9282.50-4.7351.1918.8866.77-10.966.9322.31
2018 (5)4.216.588.4819.9486.60-6.2743.06-16.6374.94-16.4754.720.74
2017 (4)3.955.617.077.9492.39-5.4451.65-7.3789.7211.354.32-25.44
2016 (3)3.74-9.446.5516.9697.7110.6655.76-14.4880.619.1572.85-8.54
2015 (2)4.13250.05.60188.6688.30-71.4165.20-65.2673.85-62.0979.65-73.6
2014 (1)1.18-64.241.94-58.55308.83179.59187.68140.86194.82168.27301.69160.62

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